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Alpha 8406 - Specifications | Radioaficion Ham Radio

Alpha 8406 - Specifications

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Specifications   8406 6 Meter Amplifier

Frequency:............ 50-54 MHz
Input drive Level:........50 Watts Nominal
Power Output:...........1500 watts  
SWR Tolerance:...........3:1
Duty Cycle:..................100 %
Tubes:........................(4CX1500B)
Inter Modulation Level:......34 dB minimum, Two Exciter
Harmonics:.........................-72 dBc
Mode of Operation:.............CW, SSB, FM
Input AC Voltage:...............100-240 Selectable
AC Current:.......................<13 5mps @240 VAC @1500 watts
Input Impedance:..................50 Ohms
Output Impedance:................50 Ohms
RF Connectors:......................“N” Female
Cooling:.................................Forced Air
Size:..........................17.3” W x 7”H x 21.0”D Including Fan Space
Weight:.......................70 lbs., 31.8 kg
T/R Relay:...................Vacuum QSK
Tuning /Band switching:.....Manual
Display:...........................Bargraph LED
Interface:.......................USB
Protection:..................Against all common faults
RF Bypass Level:...........Less than 200 watts

4CX1500B/8660 Characteristics

  • Plate Dissipation (Max.) 1,500 Watts
  • Screen Dissipation 12 Watts
  • Grid Dissipation (Max.) 1 Watts
  • Frequency for Max. rating (CW) 110 MHz
  • Amplification Factor 200
  • Plate Voltage 3000 VDC
  • Screen Voltage 200-400 VDC
  • Plate Current .9 amps
  • Filament/Cathode Oxide Coated
  • Voltage 6.0 Volts
  • Current 9-11 Amps
  • Capacitance Grounded Cathode
  • Input 75 pf
  • Output 12 pf
  • Feed through .05 pf
  • Cooling Forced Air
  • Base Special breach-lock 4 pin
  • Air Socket Alpha special
  • Air Chimney SK-2216
  • Length 4.6 in;
  • Diameter 3.37 in;
  • Weight 27 oz.